diff options
author | Daniel Jacobowitz <drow@false.org> | 2006-08-27 07:42:14 -0400 |
---|---|---|
committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2006-08-27 07:42:14 -0400 |
commit | b53a2b41f156a9c9b62c14502037cbc15bc08b54 (patch) | |
tree | 7813d3dfbbb9fe97a8a093c837d7ee5a6746c4ae /arch/arm/vfp/vfpsingle.c | |
parent | c29ecac18cb740ae845db14963ac586c53962453 (diff) |
[ARM] 3758/1: Preserve signalling NaNs in conversion
Patch from Daniel Jacobowitz
The fcvtds and fcvtsd instructions were generating a qnan bit pattern
for both quiet and signalling NaNs.
Signed-off-by: Daniel Jacobowitz <dan@codesourcery.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/vfp/vfpsingle.c')
-rw-r--r-- | arch/arm/vfp/vfpsingle.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/arm/vfp/vfpsingle.c b/arch/arm/vfp/vfpsingle.c index 5bbd5d1c8a5..78d7cac5f36 100644 --- a/arch/arm/vfp/vfpsingle.c +++ b/arch/arm/vfp/vfpsingle.c | |||
@@ -506,7 +506,7 @@ static u32 vfp_single_fcvtd(int dd, int unused, s32 m, u32 fpscr) | |||
506 | */ | 506 | */ |
507 | if (tm & (VFP_INFINITY|VFP_NAN)) { | 507 | if (tm & (VFP_INFINITY|VFP_NAN)) { |
508 | vdd.exponent = 2047; | 508 | vdd.exponent = 2047; |
509 | if (tm & VFP_NAN) | 509 | if (tm == VFP_QNAN) |
510 | vdd.significand |= VFP_DOUBLE_SIGNIFICAND_QNAN; | 510 | vdd.significand |= VFP_DOUBLE_SIGNIFICAND_QNAN; |
511 | goto pack_nan; | 511 | goto pack_nan; |
512 | } else if (tm & VFP_ZERO) | 512 | } else if (tm & VFP_ZERO) |